1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 4ab8b1b6608f..a14e35d40538 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -710,10 +710,10 @@ base_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
         struct sock *sk = sock->sk;
         int err = 0;
 
-        if (!maddr || maddr->family != AF_ISDN)
+        if (addr_len < sizeof(struct sockaddr_mISDN))
                 return -EINVAL;
 
-        if (addr_len < sizeof(struct sockaddr_mISDN))
+        if (!maddr || maddr->family != AF_ISDN)
                 return -EINVAL;
 
         lock_sock(sk);